- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT00280176
Bortezomib, Fluorouracil, and External-Beam Radiation Therapy in Treating Patients With Stage II, Stage III, or Stage IV Rectal Cancer
Phase I Study of PS-341 in Combination With 5-Fluorouracil and External Beam Radiotherapy For The Treatment Of Locally Advanced And Metastatic Rectal Cancer
RATIONALE: Bortezomib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth and by blocking blood flow to the tumor. Drugs used in chemotherapy, such as fluorouracil, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Radiation therapy uses high-energy x-rays to kill tumor cells. Giving bortezomib and fluorouracil together with radiation therapy may kill more tumor cells.
PURPOSE: This phase I trial is studying the side effects and best dose of bortezomib when given together with fluorouracil and external-beam radiation therapy in treating patients with stage II, stage III, or stage IV rectal cancer.
Studienübersicht
Status
Bedingungen
Intervention / Behandlung
Detaillierte Beschreibung
OBJECTIVES:
Primary
- Determine the maximum tolerated dose of bortezomib when administered in combination with fluorouracil and external beam radiotherapy as preoperative or palliative treatment in patients with stage II-IV rectal adenocarcinoma.
- Determine the dose-limiting toxicities of this regimen in these patients.
Secondary
- Determine the dose-effect relationship of bortezomib on NF-kappa B activation induced by chemoradiotherapy.
- Determine downstream events induced by NF-kappa B activation.
- Determine downstream events related to activation of p53 in response to treatment with chemoradiotherapy and bortezomib.
- Determine the rate of complete pathologic remission in patients who undergo surgical resection of their primary tumor.
- Determine the gene expression pattern of tumors by cDNA microarray analysis before and during treatment with this regimen.
OUTLINE: This is a multicenter, dose-escalation study of bortezomib.
Patients receive bortezomib IV on days 1, 4, 8, 11, 22, 25, 29, and 32 and fluorouracil IV continuously on days 2-38. Patients also undergo external beam radiotherapy 5 days a week for 5½ weeks. Treatment continues in the absence of disease progression or unacceptable toxicity.
Cohorts of 3-6 patients receive escalating doses of bortezomib until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 3 or 2 of 6 patients experience dose-limiting toxicity.
Patients undergo tissue biopsy at baseline and on days 1 and 2. Samples are collected and evaluated by tissue microarray analysis for NF-kappa B pathway activation; cDNA analysis, RNase protection assay, and immunohistochemistry for analysis of downstream events induced by NF-kappa B activation; and modified TdT-mediated dUTP nick-end label for analysis of apoptosis by DNA fragmentation. NF-kappa B subunits are quantified by enzyme-linked immunosorbent assay. Serum samples are collected at baseline and stored for future studies.
After completion of study treatment, patients are followed every 3 months for up to 2 years.
Studientyp
Einschreibung (Tatsächlich)
Phase
- Phase 1
Kontakte und Standorte
Studienorte
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North Carolina
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Chapel Hill, North Carolina, Vereinigte Staaten, 27599-7295
- Lineberger Comprehensive Cancer Center at University of North Carolina - Chapel Hill
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Tennessee
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Nashville, Tennessee, Vereinigte Staaten, 37232-6838
- Vanderbilt-Ingram Cancer Center
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
DISEASE CHARACTERISTICS:
Biopsy confirmed diagnosis of adenocarcinoma of the rectum meeting 1 of the following clinical staging criteria:
T3-T4, N0, M0 (stage II disease)
- T4 disease defined as tumor fixed on examination or involving adjacent pelvic structures, such as the sidewall, bladder, uterus, prostate, or small bowel by ultrasound or CT scan
- Any T, N1-2, M0 (stage III disease)
- Any T, any N, M1 (stage IV disease)
- Recurrent disease (any prior stage)
- Candidate for local palliative therapy or curative resection of metastatic disease
- Previously treated CNS disease allowed provided it is stable for > 3 months
PATIENT CHARACTERISTICS:
- ECOG performance status 0-2
- Life expectancy > 3 months
- Adequate nutrition
- WBC ≥ 4,000/mm³
- ANC > 2,000/mm³
- Platelet count ≥ 100,000/mm³
- Creatinine ≤ 1.5 mg/dL OR creatinine clearance ≥ 30 mL/min
- Bilirubin ≤ 1.5 mg/dL
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
- No serious medical or psychiatric illness that would limit study compliance or limit survival to < 2 years
- No history of refractory congestive heart failure or cardiomyopathy
- No active coronary artery disease, myocardial infarction within the past 3 months, or cerebrovascular accident within the past 3 months
- No peripheral neuropathy ≥ grade 2
- No hypersensitivity to bortezomib, boron, or mannitol
PRIOR CONCURRENT THERAPY:
- More than 1 week since prior major surgery
- More than 28 days since prior investigational agents
- Prior chemotherapy allowed
- No prior pelvic radiotherapy (for treatment of any pelvic malignancy)
- No concurrent herbal medication (excluding vitamin and mineral supplements)
- No concurrent filgrastim (G-CSF) or sargramostim (GM-CSF)
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Behandlung
- Zuteilung: N / A
- Interventionsmodell: Einzelgruppenzuweisung
- Maskierung: Keine (Offenes Etikett)
Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
---|---|
Dosislimitierende Toxizität
Zeitfenster: 8 Wochen
|
8 Wochen
|
Maximum tolerated dose
Zeitfenster: 6 weeks
|
6 weeks
|
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Zeitfenster |
---|---|
Dose-effect relationship of bortezomib on NF-kappa B activation induced by chemoradiotherapy
Zeitfenster: 6 weeks
|
6 weeks
|
Downstream events induced by NF-kappa B activation
Zeitfenster: 8 weeks
|
8 weeks
|
Downstream events related to activation of p53 in response to treatment with chemoradiotherapy and bortezomib
Zeitfenster: 8 weeks
|
8 weeks
|
Rate of complete pathologic remission
Zeitfenster: 2 years
|
2 years
|
Gene expression pattern of tumors as assessed by cDNA microarray analysis pre- and post-treatment
Zeitfenster: 8 weeks
|
8 weeks
|
Mitarbeiter und Ermittler
Mitarbeiter
Ermittler
- Hauptermittler: Bert H. O'Neil, MD, UNC Lineberger Comprehensive Cancer Center
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
- Erkrankungen des Verdauungssystems
- Neubildungen
- Neubildungen nach Standort
- Gastrointestinale Neubildungen
- Neoplasmen des Verdauungssystems
- Magen-Darm-Erkrankungen
- Darmerkrankungen
- Darmtumoren
- Rektale Erkrankungen
- Kolorektale Neubildungen
- Rektale Neoplasien
- Physiologische Wirkungen von Arzneimitteln
- Molekulare Mechanismen der pharmakologischen Wirkung
- Antimetaboliten, antineoplastisch
- Antimetaboliten
- Antineoplastische Mittel
- Immunsuppressive Mittel
- Immunologische Faktoren
- Fluorouracil
- Bortezomib
Andere Studien-ID-Nummern
- LCCC 0209
- CDR0000549844 (Andere Kennung: PDQ number)
Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .
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